In Brief: Whose supermarket policy is best?

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All the parties this election are promising action to bring down the price of groceries. So whose plan is best? Economist Geoff Bertram joins Ollie Neas to explain how New Zealand ended up with one of the most concentrated supermarket industries in the world, how the duopoly exercises its market power over suppliers and consumers, and what the competing election policies would mean in practice. Support independent journalism: Help us keep producing in-depth conversations like this at…